Amzer 2800mAh 2-Port USB Power Bank Car Charger Charger for Universal - Retail Packaging - Black Exclusive SI: Detects your devices to deliver its fastest possible charge speed up to 2.1A. Safe and Reliable: Low heat, short-circuit protection and temperature protection. Multi-Purpose: 2-Port USB Car Charger with 2800mAh Power Bank. Easy plug n play: directly plugs into your car's power source and Fits with most vehicle power port sockets. Power Bank ideal for camping, road trips, outdoor use or as an emergency power back up.